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EGTB: win in 20 half-moves

# move score
1 Rgd4 win in 19 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc4 draw
5 Rf4 draw
6 Rg6 draw
7 Rg7 draw
8 Rg8 draw
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd2 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rdd4 loss in 2 half-moves
22 Rdg5 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves
28 Rg3 loss in 2 half-moves
29 Rgg5 loss in 2 half-moves
30 Rh4 loss in 2 half-moves
31 Rh5 loss in 2 half-moves